Symbiangia
Wells, 1972, p. 25
Type Species
Thysanus vaughani Weisbord, 1971, p. 22, pl. 5, figs. 3-5, pl. 6, figs.; Original Designation
Type Specimen: Holotype; FSUG ; Not Traced; Dry Preserved
Type Locality: Miocene (Chipola Formation): Florida
Classification
Diagnosis
Corallum colonial, forming small plocoid colonies by extracalicular budding, always encrusting dead gastropod shells that are inhabited by sipunculids; corallites cylindrical, tympanoid; theca costae; axial edges of all septa coarsely dentate; columella trabecular; endotheca absent.
Remarks
Monotypic. The association with sipunculid-inhabited gastropod shells appears to be an obligate commensalism, as it is for the caryophylliid genus Heterocyathus and the dendrophylliid Heteropsammia.
This page has been in preparation since 04-Aug-2008 20:50
This version was contributed by Stephen D. Cairns on 20-Nov-2008 20:50.
Page authors are: Stephen D. Cairns. Please contact the editor if you would like to contribute to the diagnosis of this taxon.
The editor is: Stephen D. Cairns
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